[scribus] The name of half of letter size paper

[a.l.e]

hi

>> Paper of size A4 folded in half is called A5 size.
>> What is the name for letter sized paper folded in half?
>>
>> Juraj
>>
>>     
>
> Organizer L, Statement, Half Letter, Memo, Jepps
>   

it's always the same half or are 5 different types of halves?

ciao
a.l.e